/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.ranger.plugin.classloader;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class PluginClassLoaderActivator implements AutoCloseable {
    private static final Logger LOG = LoggerFactory.getLogger(PluginClassLoaderActivator.class);

    private final RangerPluginClassLoader pluginClassLoader;
    private final String                  methodName;

    public PluginClassLoaderActivator(RangerPluginClassLoader pluginClassLoader, String methodName) {
        LOG.debug("==> {}()", methodName);

        this.pluginClassLoader = pluginClassLoader;
        this.methodName        = methodName;

        if (pluginClassLoader != null) {
            pluginClassLoader.activate();
        }
    }

    @Override
    public void close() {
        if (pluginClassLoader != null) {
            pluginClassLoader.deactivate();
        }

        LOG.debug("<== {}()", methodName);
    }
}
